The following are the football (soccer) events of the year 1920 throughout the world.

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• Argentina: Boca Juniors, River Plate
• Austria: Rapid Vienna
• Belgium: Club Brugge
• Denmark: B 1903
• England: Liverpool F.C.
• France: no national championship
• Germany: 1. FC Nürnberg
• Hungary: MTK Hungária FC
• Iceland: Víkingur
• Italy: Internazionale Milano F.C.
• Luxembourg: CS Fola Esch
• Netherlands: Be Quick
• Paraguay: Club Libertad
• Poland: not finished due to Polish-Soviet War; most probably champions would have been Cracovia
• Scotland: For fuller coverage, see 1919-20 in Scottish football.
  • Scottish Division One – Rangers
  • Scottish Cup – Kilmarnock^[1]
• Sweden: Djurgårdens IF
• Uruguay: Nacional
• Greece: 1913 to 1921 - no championship titles due to the First World War and the Greco-Turkish War of 1919-1922.

• 1920 British Home Championship (October 25, 1919 – April 10, 1920)

 Wales

• Olympic Games in Antwerp, Belgium (August 28 – September 2, 1920)
  1.  Belgium
  2.  Spain
  3.  Netherlands
• South American Championship 1920 in Chile (September 11, 1920 – October 3, 1920)

 Uruguay

• January 15 – Anton Malatinský, Slovak international football player and coach (died 1992)
• January 31 – Bert Williams, English international goalkeeper (died 2014)
• March 3 – Elio Bianchi, retired Italian professional footballer
• April 14 – Schubert Gambetta, Uruguayan international footballer (died 1991)
• June 26 – Ernst Melchior, Austrian international footballer (died 1978)
• August 31 – Walter Atkinson, English professional footballer (died 2009)^[2]
• November 7 – Ignacio Eizaguirre, Spanish international footballer (died 2013)
• November 22 – Frank Mouncer, English professional footballer (died 1977)^[3]
• December 5 – Fred Bett, English professional footballer (died 2005)^[4]

• Cagliari Calcio
• Empoli FC